Load Specifications
Load data in caliber 7 mm Rem. Ultra Mag. with .284 | 154gr | Norma Soft Point bullet and 49 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2218, Vihtavuori N570 and Alliant Reloder-33.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.
Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.
Charge: Powder weight in grains. Start with the minimum load and work up carefully.
FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.
MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.
V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.
z (Powder Burn): Estimated propellant combustion percentage at bullet exit.
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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 84% | 56,333 psi | 88% | 2841 fps | 100% |
| Accurate 8700ᴾ | <<locked>> | 100% | 53,069 psi | 83% | 2871 fps | 97.8% |
| Accurate MAGPRO | <<locked>> | 82% | 55,695 psi | 87% | 2949 fps | 99.6% |
| ADI AR 2209 | <<locked>> | 82% | 57,072 psi | 89% | 2930 fps | 100% |
| ADI AR 2213 | <<locked>> | 84% | 56,086 psi | 88% | 2946 fps | 99.9% |
| ADI AR 2217 | <<locked>> | 92% | 55,854 psi | 88% | 2930 fps | 100% |
| ADI AR 2218 | <<locked>> | 96% | 56,985 psi | 89% | 3051 fps | 99.2% |
| ADI AR 2225 | <<locked>> | 94% | 55,883 psi | 88% | 2953 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 82% | 56,652 psi | 89% | 2917 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 84% | 56,666 psi | 89% | 2940 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 84% | 55,027 psi | 86% | 2851 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 88% | 56,014 psi | 88% | 2923 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 92% | 54,853 psi | 86% | 2959 fps | 98.5% |
| Alliant Reloder-50 | <<locked>> | 96% | 55,419 psi | 87% | 2953 fps | 98.2% |
| Baschieri & Pellagri 109 | <<locked>> | 86% | 56,362 psi | 88% | 2904 fps | 98.8% |
| Bofors RP15 | <<locked>> | 86% | 56,304 psi | 88% | 2933 fps | 100% |
| Bofors RP30 | <<locked>> | 90% | 56,028 psi | 88% | 2943 fps | 100% |
| Bofors RP5 | <<locked>> | 84% | 56,666 psi | 89% | 2940 fps | 100% |
| Hodgdon H1000 | <<locked>> | 90% | 57,246 psi | 90% | 2946 fps | 100% |
| Hodgdon H4831 | <<locked>> | 82% | 54,665 psi | 86% | 2877 fps | 99.6% |
| Hodgdon H4831 SC | <<locked>> | 84% | 57,450 psi | 90% | 2920 fps | 99.8% |
| Hodgdon Retumbo | <<locked>> | 88% | 55,666 psi | 87% | 3012 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,985 psi | 60% | 1932 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 54,752 psi | 86% | 2858 fps | 99.7% |
| IMR 7828 SSC | <<locked>> | 84% | 54,781 psi | 86% | 2930 fps | 99.9% |
| IMR 7977 Enduron | <<locked>> | 90% | 57,145 psi | 90% | 2861 fps | 96.1% |
| IMR 8133 Enduron | <<locked>> | 96% | 54,810 psi | 86% | 2936 fps | 100% |
| Lovex S071 | <<locked>> | 88% | 54,955 psi | 86% | 2825 fps | 100% |
| Norma 217 | <<locked>> | 96% | 56,362 psi | 88% | 2956 fps | 100% |
| Norma MRP | <<locked>> | 82% | 56,855 psi | 89% | 2949 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 56,173 psi | 88% | 2953 fps | 100% |
| Ramshot Magnum | <<locked>> | 86% | 54,853 psi | 86% | 2877 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,972 psi | 61% | 1975 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 56,884 psi | 89% | 2992 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 90% | 56,072 psi | 88% | 2966 fps | 99.7% |
| Rottweil R 904 | <<locked>> | 82% | 57,188 psi | 90% | 2897 fps | 100% |
| Rottweil R 905 | <<locked>> | 82% | 56,521 psi | 89% | 2913 fps | 100% |
| SNPE Vectan SP 13ᴾ | <<locked>> | 100% | 54,723 psi | 86% | 2881 fps | 97.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 56,159 psi | 88% | 2907 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 56,898 psi | 89% | 2881 fps | 100% |
| Vihtavuori N165 | <<locked>> | 86% | 57,217 psi | 90% | 2867 fps | 100% |
| Vihtavuori N170 | <<locked>> | 90% | 56,811 psi | 89% | 2894 fps | 97.6% |
| Vihtavuori N555 | <<locked>> | 82% | 56,594 psi | 89% | 2877 fps | 100% |
| Vihtavuori N560 | <<locked>> | 82% | 56,130 psi | 88% | 2956 fps | 99.8% |
| Vihtavuori N565 | <<locked>> | 86% | 54,085 psi | 85% | 2897 fps | 99.8% |
| Vihtavuori N568 | <<locked>> | 90% | 56,246 psi | 88% | 2969 fps | 99.5% |
| Vihtavuori N570 | <<locked>> | 90% | 53,780 psi | 84% | 2966 fps | 97.9% |
| Winchester StaBALL HD | <<locked>> | 84% | 56,376 psi | 88% | 2936 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 84% | 56,855 psi | 89% | 2877 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 49,226 psi | 77% | 2740 fps | 100% |
| Accurate 8700 | <<locked>> | 96% | 45,542 psi | 71% | 2743 fps | 95.8% |
| Accurate MAGPRO | <<locked>> | 80% | 51,735 psi | 81% | 2884 fps | 99.1% |
| ADI AR 2209 | <<locked>> | 80% | 53,330 psi | 84% | 2871 fps | 100% |
| ADI AR 2213 | <<locked>> | 80% | 48,791 psi | 76% | 2828 fps | 99.3% |
| ADI AR 2217 | <<locked>> | 80% | 36,419 psi | 57% | 2572 fps | 96.8% |
| ADI AR 2218 | 89.5 gr | 88% | 42,018 psi | 66% | 2759 fps | 95% |
| ADI AR 2225 | <<locked>> | 80% | 33,736 psi | 53% | 2539 fps | 98.7% |
| Alliant Reloder-19 | <<locked>> | 80% | 53,069 psi | 83% | 2861 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 80% | 49,559 psi | 78% | 2828 fps | 99.9% |
| Alliant Reloder-23 | <<locked>> | 80% | 48,196 psi | 76% | 2753 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 42,322 psi | 66% | 2707 fps | 100% |
| Alliant Reloder-33 | 89.1 gr | 86% | 43,656 psi | 68% | 2753 fps | 95.6% |
| Alliant Reloder-50 | <<locked>> | 90% | 44,135 psi | 69% | 2749 fps | 95.2% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 46,253 psi | 72% | 2730 fps | 96.8% |
| Bofors RP15 | <<locked>> | 80% | 46,021 psi | 72% | 2762 fps | 99.5% |
| Bofors RP30 | <<locked>> | 80% | 39,523 psi | 62% | 2644 fps | 97.8% |
| Bofors RP5 | <<locked>> | 80% | 49,559 psi | 78% | 2828 fps | 99.9% |
| Hodgdon H1000 | <<locked>> | 80% | 39,740 psi | 62% | 2648 fps | 98.4% |
| Hodgdon H4831 | <<locked>> | 80% | 51,097 psi | 80% | 2822 fps | 99.3% |
| Hodgdon H4831 SC | <<locked>> | 80% | 50,198 psi | 79% | 2805 fps | 99.1% |
| Hodgdon Retumbo | <<locked>> | 80% | 41,379 psi | 65% | 2762 fps | 99.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,587 psi | 45% | 1736 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 51,300 psi | 80% | 2802 fps | 99.4% |
| IMR 7828 SSC | <<locked>> | 80% | 47,587 psi | 75% | 2812 fps | 99.2% |
| IMR 7977 Enduron | <<locked>> | 88% | 53,693 psi | 84% | 2805 fps | 95.3% |
| IMR 8133 Enduron | <<locked>> | 82% | 33,634 psi | 53% | 2520 fps | 95.4% |
| Lovex S071 | <<locked>> | 80% | 42,467 psi | 67% | 2625 fps | 100% |
| Norma 217 | <<locked>> | 80% | 31,836 psi | 50% | 2487 fps | 96.9% |
| Norma MRP | <<locked>> | 80% | 52,953 psi | 83% | 2894 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 48,399 psi | 76% | 2828 fps | 99.5% |
| Ramshot Magnum | <<locked>> | 80% | 43,801 psi | 69% | 2700 fps | 99.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,240 psi | 46% | 1775 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 41,263 psi | 65% | 2736 fps | 99.9% |
| ReloadSwiss RS 80 | <<locked>> | 80% | 38,101 psi | 60% | 2628 fps | 95.8% |
| Rottweil R 904 | <<locked>> | 80% | 53,534 psi | 84% | 2841 fps | 99.8% |
| Rottweil R 905 | <<locked>> | 80% | 52,837 psi | 83% | 2858 fps | 100% |
| SNPE Vectan SP 13 | <<locked>> | 96% | 47,543 psi | 75% | 2759 fps | 96% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 52,489 psi | 82% | 2851 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 53,330 psi | 84% | 2828 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 46,717 psi | 73% | 2707 fps | 99.8% |
| Vihtavuori N170 | <<locked>> | 86% | 49,545 psi | 78% | 2772 fps | 95.9% |
| Vihtavuori N555 | <<locked>> | 80% | 52,939 psi | 83% | 2825 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 52,286 psi | 82% | 2897 fps | 99.5% |
| Vihtavuori N565 | <<locked>> | 80% | 43,918 psi | 69% | 2720 fps | 98.3% |
| Vihtavuori N568 | <<locked>> | 80% | 39,073 psi | 61% | 2648 fps | 95.6% |
| Vihtavuori N570 | 85.7 gr | 86% | 46,398 psi | 73% | 2831 fps | 96% |
| Winchester StaBALL HD | <<locked>> | 80% | 48,298 psi | 76% | 2822 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 49,458 psi | 78% | 2766 fps | 99.9% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 49 powders for 7 mm Rem. Ultra Mag. loaded with the .284 | 154gr | Norma Soft Point. ADI AR 2218 delivers the highest muzzle velocity at 3,051 fps; across all powders the maximum-charge window runs from 1,932 fps to 3,051 fps. Accurate 8700 gives the best case fill at 100 %, and 49 of the 49 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 154.0 gr projectile in 0.284" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 8700, Hodgdon TrailBoss, ReloadSwiss RS 14 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. ADI AR 2218, Vihtavuori N570, Alliant Reloder-33 rank at the top here: for 7 mm Rem. Ultra Mag. with the .284 | 154gr | Norma Soft Point they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.